21241656

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2345

約数の個数: 64

約数和(自身を含む): 60403200

約数和(自身を除く): 39161544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2287, 2322, 3096, 4574, 4644, 6861, 9148, 9288, 13722, 18296, 20583, 27444, 41166, 54888, 61749, 82332, 98341, 123498, 164664, 196682, 246996, 295023, 393364, 493992, 590046, 786728, 885069, 1180092, 1770138, 2360184, 2655207, 3540276, 5310414, 7080552, 10620828, 21241656]

約数ペア:

[(1, 21241656), (2, 10620828), (3, 7080552), (4, 5310414), (6, 3540276), (8, 2655207), (9, 2360184), (12, 1770138), (18, 1180092), (24, 885069), (27, 786728), (36, 590046), (43, 493992), (54, 393364), (72, 295023), (86, 246996), (108, 196682), (129, 164664), (172, 123498), (216, 98341), (258, 82332), (344, 61749), (387, 54888), (516, 41166), (774, 27444), (1032, 20583), (1161, 18296), (1548, 13722), (2287, 9288), (2322, 9148), (3096, 6861), (4574, 4644)]